Home / 10,204.34-15,317.44-5,272.65

Finding the Fourth Proportional to 10,204.34, 15,317.44 and 5,272.65

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Solution

The fourth proportional to 10,204.34, 15,317.44 and 5,272.65 is: 7,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.34 : 15,317.44 = 5,272.65 : x
  2. Step 2: Convert to fraction form
    10,204.34/15,317.44 = 5,272.65/x
  3. Step 3: Cross multiply
    10,204.34x = 15,317.44 × 5,272.65
  4. Step 4: Simplify right side
    10,204.34x = 80,763,486.83
  5. Step 5: Solve for x
    x = 80,763,486.83/10,204.34
  6. Step 6: Final answer
    x = 7,914.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.